Merge "Don't crash when receiving an RTM_DELNEIGH or NUD_FAILED." into rvc-dev...
Merge "Don't crash when receiving an RTM_DELNEIGH or NUD_FAILED." into rvc-dev am: 3edb9bab am: 221b3848 am: a6c8f44d
Change-Id: I1d0d975fec59e91e7ec9b876b6bc4bcc18af5ecb